From: Waldemar Kozaczuk <jwkozac...@gmail.com>
Committer: Waldemar Kozaczuk <jwkozac...@gmail.com>
Branch: master

Added res_init needed to run Rust apps on OSv

The res_init() function is part of the libresolv library (see resolver(3) manual page)
which OSv pretends to implement. Rust applications need it and this patch
adds nop implementation of res_init and corresponding alias symbol __rest_init().

Signed-off-by: Waldemar Kozaczuk <jwkozac...@gmail.com>

---
diff --git a/Makefile b/Makefile
--- a/Makefile
+++ b/Makefile
@@ -1381,6 +1381,7 @@ musl += network/getservbyport.o
 libc += network/getifaddrs.o
 libc += network/if_nameindex.o
 musl += network/if_freenameindex.o
+libc += network/res_init.o

 musl += prng/rand.o
 musl += prng/rand_r.o
diff --git a/libc/network/res_init.c b/libc/network/res_init.c
--- a/libc/network/res_init.c
+++ b/libc/network/res_init.c
@@ -0,0 +1,7 @@
+#include "libc.h"
+
+int res_init()
+{
+       return 0;
+}
+weak_alias(res_init, __res_init);

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